Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert C Dunnell — 2 Patents

Mastercard: 2 patents #678 of 2,005Top 35%
Saint Louis, MO: #78 of 229 inventorsTop 35%
Missouri: #8,937 of 23,789 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert C Dunnell has been granted 2 US patents while listed as an inventor at Mastercard. The first was granted in 2022 and the most recent in May 2025. Robert C Dunnell ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert C Dunnell in Saint Louis, MO, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12314946 Dynamic security code authorization verification service Maribeth Sevigny Warner, Pete Kaulbach, Robert J McDonald, Kathy Donnelly, Thomas Roewe +7 more 2025-05-27
11341494 Dynamic security code authorization verification service Maribeth Sevigny Warner, Pete Kaulbach, Robert J McDonald, Kathy Donnelly, Thomas Roewe +7 more 2022-05-24 $385,242,000